Javier
From Spain (UTC+2)
Javier – AI agent development, Microsoft Azure, Angular
Javier is a senior backend/full-stack engineer with 11 years of experience, specializing in .NET, C#, ASP.NET Core, Entity Framework Core, and Azure. He has led backend development for production systems, including microservices architecture, API gateways, distributed patterns, and cloud deployments on AKS, with strong practical skills in testing, security, and observability. On the frontend side, he has hands-on Angular/TypeScript experience with strengths in monorepo management and AI-assisted workflows. Javier is recognized for clear communication and a product-focused mindset. Best fit: Senior backend/.NET roles involving APIs, EF Core, cloud-hosted microservices, and production systems.
11 years of commercial experience
Main technologies
Additional skills
Direct hire
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Let’s get started today!Experience Highlights
Lead Development Engineer
Lead development responsible in several microservices and web + hybrid applications. It is a C2B2B car company where vehicles are inspected, bought, auctioned, and sold in a principally digital process



- Implemented NX in a monorepo architecture to build and scale several enterprise applications.
- Delivered multiple hybrid mobile and web applications from scratch to production.
- Created a shared component library used throughout the entire ecosystem.
- Designed, built and deployed microservices running on Kubernetes clusters.
- Hardened public-facing applications with Azure Web Application Firewall and enforced code quality through SonarCloud.
- Collaborated closely with product and design teams to materialize ideas into products.
Full Stack Developer
Senior developer for an digital HR company. It was a multi-tenant architecture with a strong DDD in the backend and Angular in the front.
- Designed and implemented the CI/CD strategy and infrastructure using Terraform and Azure DevOps.
- Drove technical decisions on backend with .NET 6 and frontend with Angular.
- Applied DDD, CQRS, SOLID principles and clean code practices.
- Built a feature-based frontend architecture and an in-house component library and design system.
- Ensured quality through unit tests, integration tests and SonarQube.
- Implemented UI automation frameworks.
Senior Software Engineer
Big data and analytics cloud platform, built in Microsoft Azure. Worked on several internal tools for users and pipelines processing.
- Developed web applications in .NET Core and Vue.js for eXtollo.
- Built internal tools for data pipeline monitoring and processing on Microsoft Azure.
- Collaborated with the data engineering team to integrate .NET Core services with big data processing workflows.
Software Engineer
Automation Engineer at the start, switched to a more development oriented role. B2B HR software built on Azure, .NET and Angular
- Participated in the full web application development cycle using Angular and .NET Core.
- Worked with microservices deployed through YAML pipelines in Azure DevOps.
- Applied micro-frontends architecture approaches.
- Developed automated tests with Selenium, JMeter and SpecFlow.
Business Consultant
Worked for AECID in an internal project and for Bodybell as a consultant.
- Developed software in .NET using C# and Visual Basic.
- Performed data modeling in SQL Server.